﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Class1
    {
        private double r;
        private int ch;
        private int ku;
        public double R {
            get { return this.r; }
            set { this.r = value; }
        }
        public int Ch {
            get { return this.ch; }
            set { this.ch = value; }
        }
        public int Ku {
            get { return this.ku;}
            set { this.ku = value; }
        }
        public double AA (double r)
       {
            return this.r * this.r * 3.14;
        }
        public int AA(int ch, int ku)
        {
            return this.ku * this.ch;
        }

    }
}
